804
FZUS51 KBOX 021404
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
1004 AM EDT SUN AUG 2 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-030300-
1004 AM EDT SUN AUG 2 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
CALMER CONDITIONS CONTINUE EARLY THIS MORNING BEFORE SOUTHERN
BREEZES INCREASE TO 10-15 KT TODAY. SCA CONDITIONS ARRIVE SUNDAY
NIGHT AS LOW PRESSURE BRINGS HEAVY RAIN AND GUSTY WIND THROUGH
MONDAY NIGHT. SEAS BUILD TO BETWEEN 5 AND 7 FEET ACROSS THE OUTER
WATERS AND WINDS INCREASE TO BETWEEN 15 AND 20 KT. HIGH PRESSURE
RETURNS MID WEEK.
ANZ250-030300-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
1004 AM EDT SUN AUG 2 2026
THIS AFTERNOON
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. SEAS
2 TO 3 FT. WAVE DETAIL: S 2 FT AT 4 SECONDS AND SE 2 FT AT
8 SECONDS.
TONIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: S 2 FT AT 3 SECONDS AND SE 2 FT AT 6 SECONDS.
A CHANCE OF SHOWERS. PATCHY FOG AFTER MIDNIGHT WITH VSBY 1 NM OR
LESS.
MON
S WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 2 TO
4 FT. WAVE DETAIL: S 4 FT AT 5 SECONDS AND SE 1 FOOT AT
10 SECONDS. PATCHY FOG. SHOWERS LIKELY. VSBY 1 NM OR LESS IN THE
MORNING.
MON NIGHT
SW WINDS 10 TO 15 KT, BECOMING W AFTER MIDNIGHT.
GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SE 4 FT AT
8 SECONDS AND SW 3 FT AT 4 SECONDS. A CHANCE OF SHOWERS. PATCHY
FOG IN THE EVENING.
TUE AND TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: SE 3 FT AT 9 SECONDS AND W 1 FOOT AT 3 SECONDS.
WED THROUGH THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 3 SECONDS AND SE
2 FT AT 7 SECONDS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ251-030300-
MASSACHUSETTS BAY AND IPSWICH BAY-
1004 AM EDT SUN AUG 2 2026
THIS AFTERNOON
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. SEAS
2 TO 3 FT. WAVE DETAIL: SE 2 FT AT 4 SECONDS AND E 1 FOOT AT
8 SECONDS.
TONIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 4 SECONDS AND E 1 FOOT AT
8 SECONDS. A CHANCE OF SHOWERS. PATCHY FOG AFTER MIDNIGHT WITH
VSBY 1 NM OR LESS.
MON
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: SE 3 FT AT 4 SECONDS AND E 1 FOOT AT
8 SECONDS. PATCHY FOG. SHOWERS LIKELY. VSBY 1 TO 3 NM IN THE
MORNING.
MON NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING W 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE
DETAIL: S 2 FT AT 4 SECONDS AND E 1 FOOT AT 8 SECONDS. A CHANCE
OF SHOWERS. PATCHY FOG IN THE EVENING.
TUE AND TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: W 1 FOOT AT 3 SECONDS AND SE 1 FOOT AT 8 SECONDS.
WED THROUGH THU NIGHT
SW WINDS 5 TO 10 KT WITH GUSTS UP TO
20 KT. SEAS AROUND 2 FT. WAVE DETAIL: SW 1 FOOT AT 2 SECONDS AND
SE 1 FOOT AT 8 SECONDS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ231-030300-
CAPE COD BAY-
1004 AM EDT SUN AUG 2 2026
THIS AFTERNOON
S WINDS AROUND 10 KT. GUSTS UP TO 20 KT. SEAS
AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 6 SECONDS AND S 1 FOOT AT
2 SECONDS.
TONIGHT
S WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH
GUSTS UP TO 20 KT AFTER MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL:
SE 1 FOOT AT 3 SECONDS AND E 1 FOOT AT 8 SECONDS. A CHANCE OF
SHOWERS IN THE EVENING. SHOWERS LIKELY AFTER MIDNIGHT. PATCHY FOG
AFTER MIDNIGHT.
MON
S WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 2 TO
4 FT. WAVE DETAIL: S 4 FT AT 5 SECONDS AND E 1 FOOT AT 9 SECONDS.
PATCHY FOG. SHOWERS LIKELY. VSBY 1 TO 3 NM IN THE AFTERNOON.
MON NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT,
BECOMING W 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE
DETAIL: SW 2 FT AT 3 SECONDS AND SE 2 FT AT 9 SECONDS. SHOWERS
LIKELY. PATCHY FOG IN THE EVENING.
TUE AND TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: E 2 FT AT 8 SECONDS AND SE 2 FT AT 9 SECONDS.
WED THROUGH THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 1 FOOT AT 2 SECONDS AND S
1 FOOT AT 7 SECONDS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ254-030300-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
1004 AM EDT SUN AUG 2 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH
TUESDAY AFTERNOON...
THIS AFTERNOON
S WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: SE 3 FT AT 7 SECONDS AND S 2 FT AT 3 SECONDS.
TONIGHT
S WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT WITH
GUSTS UP TO 25 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: S
4 FT AT 7 SECONDS AND S 3 FT AT 4 SECONDS. A CHANCE OF SHOWERS IN
THE EVENING. SHOWERS LIKELY AFTER MIDNIGHT. PATCHY FOG AFTER
MIDNIGHT WITH VSBY 1 TO 3 NM.
MON
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT, BUILDING TO 5 TO 7 FT IN THE AFTERNOON. WAVE DETAIL: SW
5 FT AT 5 SECONDS AND E 1 FOOT AT 9 SECONDS, BECOMING S 7 FT AT
8 SECONDS AND W 2 FT AT 5 SECONDS. PATCHY FOG. SHOWERS LIKELY IN
THE MORNING. A CHANCE OF SHOWERS IN THE AFTERNOON WITH VSBY 1 TO
3 NM.
MON NIGHT
SW WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. GUSTS UP TO 25 KT. SEAS 4 TO 6 FT. WAVE DETAIL: S
6 FT AT 8 SECONDS AND W 2 FT AT 5 SECONDS. SHOWERS. PATCHY FOG IN
THE EVENING WITH VSBY 1 TO 3 NM.
TUE
W WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. WAVE DETAIL: S 5 FT AT
8 SECONDS AND W 1 FOOT AT 4 SECONDS. A CHANCE OF SHOWERS IN THE
MORNING.
TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE DETAIL: S
4 FT AT 8 SECONDS AND W 1 FOOT AT 3 SECONDS.
WED THROUGH THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. SEAS 2 TO 3 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ255-030300-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
1004 AM EDT SUN AUG 2 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
TUESDAY EVENING...
THIS AFTERNOON
S WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: SE 3 FT AT 7 SECONDS AND S 2 FT AT 4 SECONDS.
TONIGHT
S WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 2 TO 3 FT, BUILDING TO 3 TO
5 FT AFTER MIDNIGHT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND SE 3 FT
AT 7 SECONDS, BECOMING S 5 FT AT 6 SECONDS AND E 1 FOOT AT
7 SECONDS. A CHANCE OF SHOWERS IN THE EVENING. SHOWERS LIKELY
AFTER MIDNIGHT. PATCHY FOG AFTER MIDNIGHT.
MON
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
6 FT, BUILDING TO 6 TO 8 FT IN THE AFTERNOON. WAVE DETAIL: S 6 FT
AT 7 SECONDS AND SW 3 FT AT 4 SECONDS, BECOMING S 8 FT AT
8 SECONDS AND SW 4 FT AT 4 SECONDS. PATCHY FOG. A CHANCE OF
SHOWERS. VSBY 1 TO 3 NM IN THE AFTERNOON.
MON NIGHT
SW WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. GUSTS UP TO 25 KT. SEAS 5 TO 7 FT. WAVE DETAIL: S
7 FT AT 8 SECONDS AND W 3 FT AT 4 SECONDS. SHOWERS. PATCHY FOG IN
THE EVENING WITH VSBY 1 TO 3 NM.
TUE
W WINDS AROUND 10 KT. SEAS 4 TO 6 FT. WAVE DETAIL: S 6 FT
AT 8 SECONDS AND NW 2 FT AT 3 SECONDS. A CHANCE OF SHOWERS IN THE
MORNING.
TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S
4 FT AT 7 SECONDS AND W 1 FOOT AT 3 SECONDS.
WED THROUGH THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. SEAS 2 TO 4 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ256-030300-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
1004 AM EDT SUN AUG 2 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
TUESDAY EVENING...
THIS AFTERNOON
S WINDS AROUND 10 KT. SEAS AROUND 3 FT. WAVE
DETAIL: SW 3 FT AT 6 SECONDS AND SE 1 FOOT AT 9 SECONDS. A SLIGHT
CHANCE OF SHOWERS WITH ISOLATED TSTMS.
TONIGHT
SE WINDS 10 TO 15 KT, BECOMING S 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 3 TO 5 FT. WAVE DETAIL: S 5 FT
AT 5 SECONDS AND SE 1 FOOT AT 9 SECONDS. A CHANCE OF SHOWERS IN
THE EVENING. SHOWERS LIKELY AFTER MIDNIGHT. PATCHY FOG AFTER
MIDNIGHT WITH VSBY 1 NM OR LESS.
MON
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
8 FT. WAVE DETAIL: S 8 FT AT 8 SECONDS AND SW 5 FT AT 4 SECONDS.
PATCHY FOG. SHOWERS LIKELY. VSBY 1 TO 3 NM.
MON NIGHT
SW WINDS 15 TO 20 KT, BECOMING W 10 TO 15 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 5 TO 7 FT. WAVE DETAIL: S 7 FT
AT 8 SECONDS AND W 3 FT AT 4 SECONDS. SHOWERS LIKELY. PATCHY FOG
IN THE EVENING WITH VSBY 1 TO 3 NM.
TUE
NW WINDS AROUND 10 KT, BECOMING SW IN THE AFTERNOON. SEAS
4 TO 6 FT. WAVE DETAIL: S 5 FT AT 8 SECONDS AND N 2 FT AT
3 SECONDS.
TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S
4 FT AT 7 SECONDS AND SW 2 FT AT 4 SECONDS.
WED THROUGH THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. SEAS 3 TO 4 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ232-030300-
NANTUCKET SOUND-
1004 AM EDT SUN AUG 2 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH
LATE MONDAY NIGHT...
THIS AFTERNOON
S WINDS AROUND 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: S 1 FOOT AT 3 SECONDS AND S 1 FOOT AT 7 SECONDS.
TONIGHT
S WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT
AT 4 SECONDS AND SE 2 FT AT 7 SECONDS. A CHANCE OF SHOWERS IN THE
EVENING. SHOWERS LIKELY AFTER MIDNIGHT. PATCHY FOG AFTER MIDNIGHT
WITH VSBY 1 TO 3 NM.
MON
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT. WAVE DETAIL: S 4 FT AT 4 SECONDS AND S 3 FT AT 7 SECONDS.
PATCHY FOG. SHOWERS LIKELY. VSBY 1 TO 3 NM IN THE AFTERNOON.
MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 5 FT. WAVE DETAIL: SW 4 FT AT 4 SECONDS AND SW 2 FT AT
8 SECONDS. SHOWERS. PATCHY FOG IN THE EVENING WITH VSBY 1 TO
3 NM.
TUE
W WINDS AROUND 10 KT, BECOMING SW IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: W 2 FT AT 4 SECONDS AND SE 1 FOOT AT
8 SECONDS. A CHANCE OF SHOWERS IN THE MORNING.
TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW
1 FOOT AT 4 SECONDS AND SE 1 FOOT AT 8 SECONDS.
WED THROUGH THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. SEAS 2 TO 3 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ233-030300-
VINEYARD SOUND-
1004 AM EDT SUN AUG 2 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH
LATE MONDAY NIGHT...
THIS AFTERNOON
S WINDS AROUND 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SW 2 FT AT 5 SECONDS AND SW 1 FOOT AT 8 SECONDS.
TONIGHT
S WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT WITH
GUSTS UP TO 25 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: S
3 FT AT 6 SECONDS AND E 1 FOOT AT 9 SECONDS. A CHANCE OF SHOWERS
IN THE EVENING. SHOWERS LIKELY AFTER MIDNIGHT. PATCHY FOG AFTER
MIDNIGHT WITH VSBY 1 TO 3 NM.
MON
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT. WAVE DETAIL: SW 5 FT AT 6 SECONDS AND E 2 FT AT 9 SECONDS.
PATCHY FOG. SHOWERS. VSBY 1 TO 3 NM IN THE AFTERNOON.
MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT,
BECOMING W 10 TO 15 KT AFTER MIDNIGHT. SEAS 3 TO 5 FT. WAVE
DETAIL: SW 5 FT AT 8 SECONDS AND SW 3 FT AT 5 SECONDS. SHOWERS
LIKELY. PATCHY FOG IN THE EVENING WITH VSBY 1 TO 3 NM.
TUE AND TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE
DETAIL: SW 4 FT AT 8 SECONDS AND SW 2 FT AT 4 SECONDS.
WED THROUGH THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 5 SECONDS AND E
1 FOOT AT 10 SECONDS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ234-030300-
BUZZARDS BAY-
1004 AM EDT SUN AUG 2 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH
LATE MONDAY NIGHT...
THIS AFTERNOON
S WINDS AROUND 10 KT. GUSTS UP TO 20 KT. SEAS
AROUND 2 FT. WAVE DETAIL: S 2 FT AT 8 SECONDS AND SW 1 FOOT AT
4 SECONDS.
TONIGHT
S WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT WITH
GUSTS UP TO 25 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: S
3 FT AT 7 SECONDS AND S 2 FT AT 3 SECONDS. A CHANCE OF SHOWERS IN
THE EVENING. SHOWERS LIKELY AFTER MIDNIGHT. PATCHY FOG AFTER
MIDNIGHT.
MON
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT. WAVE DETAIL: S 4 FT AT 7 SECONDS. PATCHY FOG. SHOWERS. A
CHANCE OF TSTMS IN THE AFTERNOON WITH VSBY 1 TO 3 NM.
MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT,
BECOMING W 10 TO 15 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE
DETAIL: SW 3 FT AT 4 SECONDS AND SW 3 FT AT 8 SECONDS. SHOWERS
LIKELY. A CHANCE OF TSTMS IN THE EVENING. PATCHY FOG IN THE
EVENING.
TUE AND TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: SW 2 FT AT 8 SECONDS AND SE 2 FT AT 8 SECONDS.
WED AND WED NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SW 2 FT AT 7 SECONDS AND S 1 FOOT AT 4 SECONDS.
THU AND THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ235-030300-
RHODE ISLAND SOUND-
1004 AM EDT SUN AUG 2 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH
TUESDAY AFTERNOON...
THIS AFTERNOON
S WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: SW 3 FT AT 6 SECONDS AND SE 2 FT AT 10 SECONDS.
TONIGHT
SE WINDS 10 TO 15 KT, BECOMING S 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: S 4 FT
AT 5 SECONDS AND SE 2 FT AT 8 SECONDS. A CHANCE OF SHOWERS IN THE
EVENING. SHOWERS AFTER MIDNIGHT. PATCHY FOG AFTER MIDNIGHT WITH
VSBY 1 NM OR LESS.
MON
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
6 FT. WAVE DETAIL: S 6 FT AT 8 SECONDS AND SW 3 FT AT 5 SECONDS.
PATCHY FOG. SHOWERS. A CHANCE OF TSTMS IN THE AFTERNOON.
MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT,
BECOMING W 10 TO 15 KT AFTER MIDNIGHT. SEAS 4 TO 6 FT. WAVE
DETAIL: S 6 FT AT 8 SECONDS AND SW 4 FT AT 5 SECONDS. SHOWERS
LIKELY WITH A CHANCE OF TSTMS IN THE EVENING, THEN A CHANCE OF
SHOWERS AFTER MIDNIGHT. PATCHY FOG IN THE EVENING WITH VSBY 1 TO
3 NM.
TUE
NW WINDS AROUND 10 KT, BECOMING SW IN THE AFTERNOON. SEAS
3 TO 5 FT. WAVE DETAIL: S 5 FT AT 8 SECONDS AND SW 2 FT AT
4 SECONDS.
TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE DETAIL: S
4 FT AT 7 SECONDS AND NW 2 FT AT 4 SECONDS.
WED THROUGH THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. SEAS 2 TO 3 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ237-030300-
BLOCK ISLAND SOUND-
1004 AM EDT SUN AUG 2 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH
TUESDAY AFTERNOON...
THIS AFTERNOON
S WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: S 3 FT AT 7 SECONDS AND SW 1 FOOT AT 4 SECONDS. A SLIGHT
CHANCE OF SHOWERS WITH ISOLATED TSTMS.
TONIGHT
SE WINDS 10 TO 15 KT, BECOMING S 15 TO 20 KT WITH
GUSTS UP TO 25 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: S
3 FT AT 5 SECONDS AND SE 1 FOOT AT 8 SECONDS. A CHANCE OF SHOWERS
IN THE EVENING, THEN SHOWERS WITH A CHANCE OF TSTMS AFTER
MIDNIGHT. PATCHY FOG AFTER MIDNIGHT.
MON
S WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
6 FT. WAVE DETAIL: S 6 FT AT 7 SECONDS AND SW 2 FT AT 4 SECONDS.
PATCHY FOG. SHOWERS. A CHANCE OF TSTMS IN THE AFTERNOON. VSBY
1 TO 3 NM IN THE MORNING.
MON NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT,
BECOMING W 5 TO 10 KT AFTER MIDNIGHT. SEAS 4 TO 6 FT. WAVE
DETAIL: S 6 FT AT 8 SECONDS AND SW 2 FT AT 4 SECONDS. A CHANCE OF
SHOWERS. A CHANCE OF TSTMS IN THE EVENING. PATCHY FOG IN THE
EVENING.
TUE
NW WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS
3 TO 5 FT. WAVE DETAIL: S 4 FT AT 8 SECONDS AND W 1 FOOT AT
3 SECONDS.
TUE NIGHT
SW WINDS 5 TO 10 KT, DIMINISHING TO AROUND 5 KT
AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS
AND NW 1 FOOT AT 3 SECONDS.
WED THROUGH THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. SEAS 2 TO 3 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ230-030300-
BOSTON HARBOR-
1004 AM EDT SUN AUG 2 2026
THIS AFTERNOON
S WINDS 10 TO 15 KT. WAVES 1 FOOT OR LESS, THEN
AROUND 2 FT.
TONIGHT
S WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. WAVES AROUND 2 FT IN THE EVENING, THEN 1 FOOT OR LESS.
A CHANCE OF SHOWERS IN THE EVENING. SHOWERS LIKELY AFTER
MIDNIGHT. PATCHY FOG AFTER MIDNIGHT WITH VSBY 1 TO 3 NM.
MON
S WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. WAVES AROUND
2 FT. PATCHY FOG. SHOWERS. A CHANCE OF TSTMS IN THE AFTERNOON.
VSBY 1 TO 3 NM IN THE MORNING.
MON NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING W 5 TO 10 KT AFTER MIDNIGHT. WAVES AROUND 2 FT IN THE
EVENING, THEN 1 FOOT OR LESS. A CHANCE OF SHOWERS. A CHANCE OF
TSTMS IN THE EVENING.
TUE AND TUE NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
WED AND WED NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
THU
SW WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS. A CHANCE OF
SHOWERS.
THU NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
WINDS AND WAVES HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ236-030300-
NARRAGANSETT BAY-
1004 AM EDT SUN AUG 2 2026
THIS AFTERNOON
S WINDS AROUND 10 KT. WAVES AROUND 2 FT.
TONIGHT
S WINDS AROUND 10 KT, INCREASING TO 15 TO 20 KT WITH
GUSTS UP TO 25 KT AFTER MIDNIGHT. WAVES AROUND 2 FT. A CHANCE OF
SHOWERS IN THE EVENING. SHOWERS AFTER MIDNIGHT. PATCHY FOG AFTER
MIDNIGHT.
MON
S WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. WAVES 2 TO
4 FT. PATCHY FOG. SHOWERS. A CHANCE OF TSTMS IN THE AFTERNOON.
VSBY 1 TO 3 NM IN THE MORNING.
MON NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT,
BECOMING W 5 TO 10 KT AFTER MIDNIGHT. WAVES 2 TO 4 FT. SHOWERS
LIKELY WITH A CHANCE OF TSTMS IN THE EVENING, THEN A CHANCE OF
SHOWERS AFTER MIDNIGHT. PATCHY FOG IN THE EVENING.
TUE AND TUE NIGHT
SW WINDS 5 TO 10 KT. WAVES 2 TO 3 FT.
WED THROUGH THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. WAVES 2 TO 3 FT.
WINDS AND WAVES HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ280-030300-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
1004 AM EDT SUN AUG 2 2026
THIS AFTERNOON
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. SEAS
AROUND 3 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND S 2 FT AT
8 SECONDS. PATCHY FOG. VSBY 1 TO 3 NM.
TONIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
4 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND S 3 FT AT 7 SECONDS. A
CHANCE OF SHOWERS. PATCHY FOG AFTER MIDNIGHT WITH VSBY 1 NM OR
LESS.
MON
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
4 FT, BUILDING TO 4 TO 6 FT IN THE AFTERNOON. WAVE DETAIL: S 4 FT
AT 6 SECONDS AND SE 1 FOOT AT 10 SECONDS, BECOMING SW 6 FT AT
6 SECONDS. PATCHY FOG. SHOWERS LIKELY, MAINLY IN THE MORNING WITH
VSBY 1 NM OR LESS.
MON NIGHT
SW WINDS 15 TO 20 KT, BECOMING W 10 TO 15 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 4 TO 6 FT. WAVE DETAIL: S 6 FT
AT 8 SECONDS AND SW 2 FT AT 5 SECONDS. A CHANCE OF SHOWERS.
PATCHY FOG IN THE EVENING.
TUE AND TUE NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: S 4 FT AT 8 SECONDS AND W 2 FT AT
4 SECONDS.
WED THROUGH THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS AND SW
2 FT AT 3 SECONDS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ281-030300-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
1004 AM EDT SUN AUG 2 2026
THIS AFTERNOON
S WINDS AROUND 10 KT. SEAS AROUND 3 FT. WAVE
DETAIL: SE 3 FT AT 7 SECONDS AND SW 1 FOOT AT 4 SECONDS. PATCHY
FOG. VSBY 1 NM OR LESS.
TONIGHT
S WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 3 TO 5 FT. WAVE DETAIL: S 4 FT
AT 7 SECONDS AND S 3 FT AT 4 SECONDS. A CHANCE OF SHOWERS. PATCHY
FOG AFTER MIDNIGHT.
MON
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
8 FT. WAVE DETAIL: S 8 FT AT 8 SECONDS AND SW 3 FT AT 5 SECONDS.
PATCHY FOG. A CHANCE OF SHOWERS. VSBY 1 TO 3 NM.
MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
5 TO 7 FT. WAVE DETAIL: S 7 FT AT 8 SECONDS AND W 2 FT AT
5 SECONDS. SHOWERS. PATCHY FOG IN THE EVENING.
TUE
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, DIMINISHING TO
5 TO 10 KT IN THE AFTERNOON. SEAS 4 TO 6 FT. WAVE DETAIL: S 6 FT
AT 8 SECONDS AND W 1 FOOT AT 4 SECONDS. A CHANCE OF SHOWERS IN
THE MORNING.
TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. WAVE DETAIL: S
4 FT AT 8 SECONDS AND W 1 FOOT AT 3 SECONDS.
WED THROUGH THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. SEAS 3 TO 4 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ282-030300-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
1004 AM EDT SUN AUG 2 2026
THIS AFTERNOON
S WINDS 5 TO 10 KT. SEAS AROUND 3 FT. WAVE
DETAIL: S 3 FT AT 7 SECONDS AND SW 2 FT AT 4 SECONDS.
TONIGHT
S WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS AROUND 3 FT, BUILDING TO 4 TO
6 FT AFTER MIDNIGHT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND S 3 FT
AT 7 SECONDS, BECOMING S 6 FT AT 6 SECONDS AND E 1 FOOT AT
9 SECONDS. A CHANCE OF SHOWERS. PATCHY FOG AFTER MIDNIGHT WITH
VSBY 1 TO 3 NM.
MON
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 6 TO
9 FT. WAVE DETAIL: S 9 FT AT 8 SECONDS AND W 3 FT AT 4 SECONDS.
PATCHY FOG. A CHANCE OF SHOWERS.
MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
6 TO 8 FT. WAVE DETAIL: SW 8 FT AT 8 SECONDS AND W 2 FT AT
5 SECONDS. SHOWERS. A CHANCE OF TSTMS IN THE EVENING. PATCHY FOG
IN THE EVENING.
TUE
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, DIMINISHING TO
5 TO 10 KT IN THE AFTERNOON. SEAS 6 TO 8 FT, SUBSIDING TO 5 TO
6 FT IN THE AFTERNOON. WAVE DETAIL: S 7 FT AT 8 SECONDS AND NW
1 FOOT AT 4 SECONDS, BECOMING S 5 FT AT 8 SECONDS AND NW 1 FOOT
AT 3 SECONDS. SHOWERS LIKELY IN THE MORNING.
TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS 4 TO 5 FT. WAVE DETAIL: S
4 FT AT 7 SECONDS AND W 1 FOOT AT 3 SECONDS.
WED THROUGH THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. SEAS 3 TO 4 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ283-030300-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
1004 AM EDT SUN AUG 2 2026
THIS AFTERNOON
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. SEAS
AROUND 3 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS AND SW 2 FT AT
4 SECONDS. A SLIGHT CHANCE OF SHOWERS WITH ISOLATED TSTMS.
TONIGHT
S WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS AROUND 3 FT, BUILDING TO 4 TO
6 FT AFTER MIDNIGHT. WAVE DETAIL: SE 3 FT AT 7 SECONDS, BECOMING
SE 6 FT AT 7 SECONDS. A CHANCE OF SHOWERS. PATCHY FOG AFTER
MIDNIGHT WITH VSBY 1 TO 3 NM.
MON
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
8 FT, BUILDING TO 7 TO 9 FT IN THE AFTERNOON. WAVE DETAIL: S 8 FT
AT 8 SECONDS AND SW 4 FT AT 4 SECONDS, BECOMING S 9 FT AT
8 SECONDS AND SW 5 FT AT 4 SECONDS. PATCHY FOG. A CHANCE OF
SHOWERS IN THE MORNING. SHOWERS LIKELY IN THE AFTERNOON.
MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT,
DIMINISHING TO 10 TO 15 KT WITH GUSTS UP TO 20 KT AFTER MIDNIGHT.
SEAS 6 TO 8 FT. WAVE DETAIL: S 8 FT AT 8 SECONDS AND W 3 FT AT
4 SECONDS. SHOWERS LIKELY. PATCHY FOG IN THE EVENING.
TUE
W WINDS AROUND 10 KT, BECOMING SW IN THE AFTERNOON. SEAS
5 TO 8 FT, SUBSIDING TO 4 TO 6 FT IN THE AFTERNOON. WAVE DETAIL:
S 6 FT AT 8 SECONDS AND N 2 FT AT 3 SECONDS, BECOMING S 5 FT AT
8 SECONDS AND N 2 FT AT 3 SECONDS. A CHANCE OF SHOWERS IN THE
MORNING.
TUE NIGHT
S WINDS 5 TO 10 KT. SEAS 4 TO 5 FT. WAVE DETAIL: S
4 FT AT 7 SECONDS AND S 2 FT AT 4 SECONDS.
WED THROUGH THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. SEAS 3 TO 4 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
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